Source: Aha
Carex grayi
Gray's Sedge
Carex de Gray
Obsolete Names
Asa Gray's sedge
bur sedge
common bur sedge
Gray's bur sedge
morning star sedge
Seeds available at table Mixed Sun, Wet
We currently accept seeds for this plant
Bloom colour: Green
Bloom period: May - Aug
Max Height: 3.0 feet
Max Width: 2.0 feet (spreads by rhizome)
Light condition:
More than 6 hours of direct sun a day
More than 2 or 3 hours but less than 6 hours of direct sun a day
Soil conditions:
Tolerates medium soil condition
More than 6 hours of direct sun a day
More than 2 or 3 hours but less than 6 hours of direct sun a day
Tolerates medium soil condition
Lifespan:
Perennial
plants that will that come back year after year
Gardener Experience:
Does not spread uncontrollably
Easy to germinate
Self-seeding
Does not spread uncontrollably
Easy to germinate
Self-seeding
Landscape uses:
Suitable for wetland garden
Suitable for rain gardens
Tolerates foot traffic
Suitable for wetland garden
Suitable for rain gardens
Tolerates foot traffic
Ecological Benefits:
No ecological benefits information available.
Tolerates:
Deer resistant
Rabbit resistant
Tolerates foot traffic
Tolerates limestone conditions
Tolerates acidic soil conditions
Tolerates juglone conditions
Tolerates transplantation
Deer resistant
Rabbit resistant
Tolerates foot traffic
Tolerates limestone conditions
Tolerates acidic soil conditions
Tolerates juglone conditions
Tolerates transplantation
Special Features and Considerations:
This plant is a GRASP candidate
This plant is a GRASP candidate
Plant Location
Native to Ottawa region: Yes
Thrives in Ecozones
- Boreal Shield
- Mixed Wood Plains
Ecological Benefits
Butterflies Supported by Carex grayi
No butterfly data available for this plant.
Specialized Bees Supported by Carex grayi
No bee data available for this plant.
Plants that grow in similar conditions, that bloom at the same time.
Complementary Plants
- Doellingeria umbellata
Flat-topped White Aster
Aster à ombelles - Prunella vulgaris var. lanceolata
Lance-leaved Self-heal
Brunelle commune - Solidago rugosa
Rough-stemmed Goldenrod
Verge d'or rugueuse - Symphyotrichum puniceum
Purple-stemmed Aster
Aster ponceau - Vernonia gigantea
Giant Ironweed
Vernonie géante
Substitute For Non-Native Plants
- Pennisetum setaceum (Fountain Grass)
Sowing Information
Download Sowing Label (PDF)
- Sowing depth: Surface sow
- Sow by February
- Stratification duration: 60 days
- Self-seeding
Harvesting and Seed Sharing
- Harvest start month: September
- Harvesting indicator: Seeds easily fall off when you gently pull them off
- Harvesting mean: Use hand to detach from main stem
- Seed viability test: No test needed before donating
- Packaging measure: A dozen (12) seeds (eyeball)
- Seed storage: Air dry in paper bag or open container, for a few days until crisp, shaking seeds to move them once in a while to prevent molding
- At least one cultivar: Yes, do not donate unless you know source, and there are no known cultivars in your garden or at proximity
- No harvesting video available at this time.
Toxicity Notes
Inadequate information on toxicity found.
GRASP Candidate
Overlooked or difficult to grow plants (eg ghost plants, shrubs, trees, complicated germination etc); sapling sitters, seed sitters, skilled germination, growers with right conditions- aiming for local stock; these plants may not be extinct, but overlooked OR support habitat OR support a vulnerable animal/insect.